docs(vault): destroy the dead weight — 53 pages and the change diary

The vault was 155 pages / 31,210 lines, most of it measurement ledgers for
payloads that no longer run. A throughput figure for a runtime nobody operates is
not a record: AI moves faster than the vault, so the number is wrong before
anyone reads it, and a wrong number in a runbook gets believed. Per the new
purpose test in `AGENTS.md` → *Documentation Policy*, it is destroyed.

Gone (`.AGENTTRASH/20261019-destruction/`, KILL-LIST.txt is the manifest):
- the `frank-medium` endpoint and its five era pages, `frank-npu`, FastFlowLM,
  the ikllama/kingjones/dealign/frank-redo eras, the ling/swift15/freetoken/ubatch
  campaign pages, qwen3.8 spec-matrix and strix-optimizations, the two
  "Running Qwen3.6 …" pages;
- the whole `Pipeline Parallelism/` folder (no live script passes a pipeline flag)
  and the multi-device/x4-pair/hybrid/offload experiment pages;
- every vLLM page — no vLLM endpoint exists on this fleet;
- `LLM/deployment.md` (`Architecture/Deployment Flow.md` is the test-referenced
  owner) and the external surveys (SGLang, Lemonade, llama.cpp forks/diff,
  self-hosted app census, the TTS survey) that were obsolete by construction;
- `log.md`, 2,380 lines. Git holds the chronology; a causal law belongs to the
  page that owns the thing it governs, never to a diary.

Survivors: 101 pages, 17,542 lines, 0 OKF violations, 0 unresolved links. Eras
tables keep the window, payload, runtime, reason and rollback pointer; the rate
columns are blanked. The live shapes stay verbatim — those numbers are what the
deployer and `models.yml` consume.

serverAppConfigs-docs/FrankBook-Pro/ARR-Stack.md

@@ -38,7 +38,7 @@ live call at a time instead of guessing payload shapes:
 - `'Base Url' must not be empty` when keys were camelCase → **PascalCase is
   required** (`BaseUrl`, `ApiKey`) — schema keys, not the JSON wire keys.
 - `DefaultMetadataProfileId must be > 0` → fetch real ids from
-  `GET /api/v1/metadataprofile` (rows like `(1,'Standard')`);
+  `GET /api/v1/metadataprofile` (rows like `(1,'Standard')`)
   `GET /api/v1/qualitydefinition` returns the quality CATALOG — ids ≠
   profiles.
 - `targetType null` → configContract not registered in that build (this
@@ -87,7 +87,7 @@ settings values live in `prowlarr.db` → `Applications.Settings` JSON (the
    pipeline hides a miss and you conclude "empty field" when the grep itself
    failed.
 4. Decision framing: when posture = gated-with-zero-users, present it as a
-   decision menu (None behind the front-door wall vs External/authentikarr),
+   decision menu (None behind the front-door wall vs External/authentikarr)
    not a silent change — first-account-wins means whoever logs in first owns
    the instance.